Isotopic Transparency in Central Xe+Sn Collisions at 100 MeV/nucleon

A new method, based on comparing isotopic yield ratios measured at forward and sideward polar angles and on cross-bombarding heavy nuclei with different neutron-to-proton ratios, is used to quantify the stopping power in heavy-ion collisions. For central collisions of isotopically separated \(^{124,...

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Bibliographic Details
Published in:arXiv.org 2024-12
Main Authors: Arnaud Le Fèvre, Chbihi, Abdelouahad, Fable, Quentin, Génard, Tom, Łukasik, Jerzy, Trautmann, Wolfgang, Ketel Turzó, Bougault, Rémi, Hudan, Sylvie, Lopez, Olivier, Müller, Walter F J, Schwarz, Carsten, Sfienti, Concettina, Verde, Giuseppe, Vigilante, Mariano, Zwiegliński, Bogdan
Format: Article
Language:English
Subjects:
Alpha particles
Alpha rays
Atomic properties
Germanium
Heavy ions
Heavy nuclei
Hydrogen isotopes
Ionic collisions
Nucleons
Stopping power
Tin
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Summary:A new method, based on comparing isotopic yield ratios measured at forward and sideward polar angles and on cross-bombarding heavy nuclei with different neutron-to-proton ratios, is used to quantify the stopping power in heavy-ion collisions. For central collisions of isotopically separated \(^{124,129}\)Xe+\(^{112,124}\)Sn at 100~MeV/nucleon bombarding energy, measured with the 4\(\pi\) multidetector INDRA at GSI, a moderate transparency is deduced for hydrogen isotopes, whereas for heavier fragmentation products with atomic number \(Z \ge 3\) a high transparency exceeding 50\% is observed. An anomalously large transparency is found for alpha particles, and possible explanations are presented.
ISSN:2331-8422